Add existing to tracked
This commit is contained in:
+778
@@ -0,0 +1,778 @@
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import Cartographic from "../Core/Cartographic.js";
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import Color from "../Core/Color.js";
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import defined from "../Core/defined.js";
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import Cesium3DTileFeature from "./Cesium3DTileFeature.js";
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import createBillboardPointCallback from "./createBillboardPointCallback.js";
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/** @import Billboard from "./Billboard.js"; */
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/** @import Cesium3DTileContent from "./Cesium3DTileContent.js"; */
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/** @import Cesium3DTileset from "./Cesium3DTileset.js"; */
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/** @import DistanceDisplayCondition from "../Core/DistanceDisplayCondition.js"; */
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/** @import HorizontalOrigin from "./HorizontalOrigin.js"; */
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/** @import Label from "./Label.js"; */
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/** @import NearFarScalar from "../Core/NearFarScalar.js"; */
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/** @import Polyline from "./Polyline.js"; */
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/** @import VerticalOrigin from "./VerticalOrigin.js"; */
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/** @ignore */
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const scratchCartographic = new Cartographic();
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/**
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* A point feature of a {@link Cesium3DTileset}.
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* <p>
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* Provides access to a feature's properties stored in the tile's batch table, as well
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* as the ability to show/hide a feature and change its point properties
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* </p>
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* <p>
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* Modifications to a <code>Cesium3DTilePointFeature</code> object have the lifetime of the tile's
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* content. If the tile's content is unloaded, e.g., due to it going out of view and needing
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* to free space in the cache for visible tiles, listen to the {@link Cesium3DTileset#tileUnload} event to save any
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* modifications. Also listen to the {@link Cesium3DTileset#tileVisible} event to reapply any modifications.
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* </p>
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* <p>
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* Do not construct this directly. Access it through {@link Cesium3DTileContent#getFeature}
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* or picking using {@link Scene#pick} and {@link Scene#pickPosition}.
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* </p>
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*
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* @experimental This feature is using part of the 3D Tiles spec that is not final and is subject to change without Cesium's standard deprecation policy.
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*
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* @example
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* // On mouse over, display all the properties for a feature in the console log.
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* handler.setInputAction(function(movement) {
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* const feature = scene.pick(movement.endPosition);
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* if (feature instanceof Cesium.Cesium3DTilePointFeature) {
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* const propertyIds = feature.getPropertyIds();
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* const length = propertyIds.length;
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* for (let i = 0; i < length; ++i) {
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* const propertyId = propertyIds[i];
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* console.log(`{propertyId}: ${feature.getProperty(propertyId)}`);
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* }
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* }
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* }, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
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*/
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class Cesium3DTilePointFeature {
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static defaultColor = Color.WHITE;
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static defaultPointOutlineColor = Color.BLACK;
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static defaultPointOutlineWidth = 0.0;
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static defaultPointSize = 8.0;
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/**
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* @param {Cesium3DTileContent} content
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* @param {number} batchId
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* @param {Billboard} billboard
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* @param {Label} label
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* @param {Polyline} polyline
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*/
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constructor(content, batchId, billboard, label, polyline) {
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this._content = content;
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this._billboard = billboard;
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this._label = label;
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this._polyline = polyline;
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this._batchId = batchId;
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this._billboardImage = undefined;
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this._billboardColor = undefined;
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this._billboardOutlineColor = undefined;
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this._billboardOutlineWidth = undefined;
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this._billboardSize = undefined;
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this._pointSize = undefined;
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this._color = undefined;
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this._pointSize = undefined;
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this._pointOutlineColor = undefined;
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this._pointOutlineWidth = undefined;
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this._heightOffset = undefined;
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this._pickIds = new Array(3);
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setBillboardImage(this);
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}
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/**
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* Gets or sets if the feature will be shown. This is set for all features
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* when a style's show is evaluated.
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*
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* @type {boolean}
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*
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* @default true
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*/
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get show() {
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return this._label.show;
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}
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set show(value) {
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this._label.show = value;
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this._billboard.show = value;
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this._polyline.show = value;
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}
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/**
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* Gets or sets the color of the point of this feature.
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* <p>
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* Only applied when <code>image</code> is <code>undefined</code>.
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* </p>
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*
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* @type {Color}
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*/
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get color() {
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return this._color;
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}
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set color(value) {
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this._color = Color.clone(value, this._color);
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setBillboardImage(this);
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}
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/**
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* Gets or sets the point size of this feature.
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* <p>
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* Only applied when <code>image</code> is <code>undefined</code>.
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* </p>
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*
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* @type {number}
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*/
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get pointSize() {
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return this._pointSize;
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}
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set pointSize(value) {
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this._pointSize = value;
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setBillboardImage(this);
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}
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/**
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* Gets or sets the point outline color of this feature.
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* <p>
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* Only applied when <code>image</code> is <code>undefined</code>.
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* </p>
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*
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* @type {Color}
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*/
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get pointOutlineColor() {
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return this._pointOutlineColor;
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}
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set pointOutlineColor(value) {
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this._pointOutlineColor = Color.clone(value, this._pointOutlineColor);
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setBillboardImage(this);
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}
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/**
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* Gets or sets the point outline width in pixels of this feature.
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* <p>
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* Only applied when <code>image</code> is <code>undefined</code>.
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* </p>
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*
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* @type {number}
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*/
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get pointOutlineWidth() {
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return this._pointOutlineWidth;
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}
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set pointOutlineWidth(value) {
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this._pointOutlineWidth = value;
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setBillboardImage(this);
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}
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/**
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* Gets or sets the label color of this feature.
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* <p>
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* The color will be applied to the label if <code>labelText</code> is defined.
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* </p>
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*
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* @type {Color}
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*/
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get labelColor() {
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return this._label.fillColor;
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}
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set labelColor(value) {
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this._label.fillColor = value;
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this._polyline.show = this._label.show && value.alpha > 0.0;
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}
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/**
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* Gets or sets the label outline color of this feature.
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* <p>
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* The outline color will be applied to the label if <code>labelText</code> is defined.
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* </p>
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*
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* @type {Color}
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*/
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get labelOutlineColor() {
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return this._label.outlineColor;
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}
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set labelOutlineColor(value) {
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this._label.outlineColor = value;
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}
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/**
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* Gets or sets the outline width in pixels of this feature.
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* <p>
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* The outline width will be applied to the point if <code>labelText</code> is defined.
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* </p>
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*
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* @type {number}
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*/
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get labelOutlineWidth() {
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return this._label.outlineWidth;
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}
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set labelOutlineWidth(value) {
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this._label.outlineWidth = value;
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}
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/**
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* Gets or sets the font of this feature.
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* <p>
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* Only applied when the <code>labelText</code> is defined.
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* </p>
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*
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* @type {string}
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*/
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get font() {
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return this._label.font;
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}
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set font(value) {
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this._label.font = value;
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}
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/**
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* Gets or sets the fill and outline style of this feature.
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* <p>
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* Only applied when <code>labelText</code> is defined.
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* </p>
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*
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* @type {LabelStyle}
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*/
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get labelStyle() {
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return this._label.style;
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}
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set labelStyle(value) {
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this._label.style = value;
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}
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/**
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* Gets or sets the text for this feature.
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*
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* @type {string}
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*/
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get labelText() {
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return this._label.text;
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}
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set labelText(value) {
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if (!defined(value)) {
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value = "";
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}
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this._label.text = value;
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}
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/**
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* Gets or sets the background color of the text for this feature.
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* <p>
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* Only applied when <code>labelText</code> is defined.
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* </p>
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*
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* @type {Color}
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*/
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get backgroundColor() {
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return this._label.backgroundColor;
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}
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set backgroundColor(value) {
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this._label.backgroundColor = value;
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}
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/**
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* Gets or sets the background padding of the text for this feature.
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* <p>
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* Only applied when <code>labelText</code> is defined.
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* </p>
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*
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* @type {Cartesian2}
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*/
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get backgroundPadding() {
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return this._label.backgroundPadding;
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}
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set backgroundPadding(value) {
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this._label.backgroundPadding = value;
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}
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/**
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* Gets or sets whether to display the background of the text for this feature.
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* <p>
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* Only applied when <code>labelText</code> is defined.
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* </p>
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*
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* @type {boolean}
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*/
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get backgroundEnabled() {
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return this._label.showBackground;
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}
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set backgroundEnabled(value) {
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this._label.showBackground = value;
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}
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/**
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* Gets or sets the near and far scaling properties for this feature.
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*
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* @type {NearFarScalar}
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*/
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get scaleByDistance() {
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return this._label.scaleByDistance;
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}
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set scaleByDistance(value) {
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this._label.scaleByDistance = value;
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this._billboard.scaleByDistance = value;
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}
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/**
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* Gets or sets the near and far translucency properties for this feature.
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*
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* @type {NearFarScalar}
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*/
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get translucencyByDistance() {
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return this._label.translucencyByDistance;
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}
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set translucencyByDistance(value) {
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this._label.translucencyByDistance = value;
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this._billboard.translucencyByDistance = value;
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}
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||||
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||||
/**
|
||||
* Gets or sets the condition specifying at what distance from the camera that this feature will be displayed.
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*
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||||
* @type {DistanceDisplayCondition}
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||||
*/
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get distanceDisplayCondition() {
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return this._label.distanceDisplayCondition;
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}
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||||
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set distanceDisplayCondition(value) {
|
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this._label.distanceDisplayCondition = value;
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||||
this._polyline.distanceDisplayCondition = value;
|
||||
this._billboard.distanceDisplayCondition = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets or sets the height offset in meters of this feature.
|
||||
*
|
||||
* @type {number}
|
||||
*/
|
||||
get heightOffset() {
|
||||
return this._heightOffset;
|
||||
}
|
||||
|
||||
set heightOffset(value) {
|
||||
const offset = this._heightOffset ?? 0.0;
|
||||
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||||
const ellipsoid = this._content.tileset.ellipsoid;
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const cart = ellipsoid.cartesianToCartographic(
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this._billboard.position,
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scratchCartographic,
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);
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||||
cart.height = cart.height - offset + value;
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||||
const newPosition = ellipsoid.cartographicToCartesian(cart);
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||||
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||||
this._billboard.position = newPosition;
|
||||
this._label.position = this._billboard.position;
|
||||
this._polyline.positions = [this._polyline.positions[0], newPosition];
|
||||
|
||||
this._heightOffset = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets or sets whether the anchor line is displayed.
|
||||
* <p>
|
||||
* Only applied when <code>heightOffset</code> is defined.
|
||||
* </p>
|
||||
*
|
||||
* @type {boolean}
|
||||
*/
|
||||
get anchorLineEnabled() {
|
||||
return this._polyline.show;
|
||||
}
|
||||
|
||||
set anchorLineEnabled(value) {
|
||||
this._polyline.show = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets or sets the color for the anchor line.
|
||||
* <p>
|
||||
* Only applied when <code>heightOffset</code> is defined.
|
||||
* </p>
|
||||
*
|
||||
* @type {Color}
|
||||
*/
|
||||
get anchorLineColor() {
|
||||
return this._polyline.material.uniforms.color;
|
||||
}
|
||||
|
||||
set anchorLineColor(value) {
|
||||
this._polyline.material.uniforms.color = Color.clone(
|
||||
value,
|
||||
this._polyline.material.uniforms.color,
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets or sets the image of this feature.
|
||||
*
|
||||
* @type {string}
|
||||
*/
|
||||
get image() {
|
||||
return this._billboardImage;
|
||||
}
|
||||
|
||||
set image(value) {
|
||||
const imageChanged = this._billboardImage !== value;
|
||||
this._billboardImage = value;
|
||||
if (imageChanged) {
|
||||
setBillboardImage(this);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets or sets the distance where depth testing will be disabled.
|
||||
*
|
||||
* @type {number}
|
||||
*/
|
||||
get disableDepthTestDistance() {
|
||||
return this._label.disableDepthTestDistance;
|
||||
}
|
||||
|
||||
set disableDepthTestDistance(value) {
|
||||
this._label.disableDepthTestDistance = value;
|
||||
this._billboard.disableDepthTestDistance = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets or sets the horizontal origin of this point, which determines if the point is
|
||||
* to the left, center, or right of its anchor position.
|
||||
*
|
||||
* @type {HorizontalOrigin}
|
||||
*/
|
||||
get horizontalOrigin() {
|
||||
return this._billboard.horizontalOrigin;
|
||||
}
|
||||
|
||||
set horizontalOrigin(value) {
|
||||
this._billboard.horizontalOrigin = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets or sets the vertical origin of this point, which determines if the point is
|
||||
* to the bottom, center, or top of its anchor position.
|
||||
*
|
||||
* @type {VerticalOrigin}
|
||||
*/
|
||||
get verticalOrigin() {
|
||||
return this._billboard.verticalOrigin;
|
||||
}
|
||||
|
||||
set verticalOrigin(value) {
|
||||
this._billboard.verticalOrigin = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets or sets the horizontal origin of this point's text, which determines if the point's text is
|
||||
* to the left, center, or right of its anchor position.
|
||||
*
|
||||
* @type {HorizontalOrigin}
|
||||
*/
|
||||
get labelHorizontalOrigin() {
|
||||
return this._label.horizontalOrigin;
|
||||
}
|
||||
|
||||
set labelHorizontalOrigin(value) {
|
||||
this._label.horizontalOrigin = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get or sets the vertical origin of this point's text, which determines if the point's text is
|
||||
* to the bottom, center, top, or baseline of it's anchor point.
|
||||
*
|
||||
* @type {VerticalOrigin}
|
||||
*/
|
||||
get labelVerticalOrigin() {
|
||||
return this._label.verticalOrigin;
|
||||
}
|
||||
|
||||
set labelVerticalOrigin(value) {
|
||||
this._label.verticalOrigin = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the content of the tile containing the feature.
|
||||
*
|
||||
* @type {Cesium3DTileContent}
|
||||
*
|
||||
* @readonly
|
||||
* @private
|
||||
*/
|
||||
get content() {
|
||||
return this._content;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the tileset containing the feature.
|
||||
*
|
||||
* @type {Cesium3DTileset}
|
||||
*
|
||||
* @readonly
|
||||
*/
|
||||
get tileset() {
|
||||
return this._content.tileset;
|
||||
}
|
||||
|
||||
/**
|
||||
* All objects returned by {@link Scene#pick} have a <code>primitive</code> property. This returns
|
||||
* the tileset containing the feature.
|
||||
*
|
||||
* @type {Cesium3DTileset}
|
||||
*
|
||||
* @readonly
|
||||
*/
|
||||
get primitive() {
|
||||
return this._content.tileset;
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
get pickIds() {
|
||||
const ids = this._pickIds;
|
||||
ids[0] = this._billboard.pickId;
|
||||
ids[1] = this._label.pickId;
|
||||
ids[2] = this._polyline.pickId;
|
||||
return ids;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns whether the feature contains this property. This includes properties from this feature's
|
||||
* class and inherited classes when using a batch table hierarchy.
|
||||
*
|
||||
* @see {@link https://github.com/CesiumGS/3d-tiles/tree/main/extensions/3DTILES_batch_table_hierarchy}
|
||||
*
|
||||
* @param {string} name The case-sensitive name of the property.
|
||||
* @returns {boolean} Whether the feature contains this property.
|
||||
*/
|
||||
hasProperty(name) {
|
||||
return this._content.batchTable.hasProperty(this._batchId, name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns an array of property IDs for the feature. This includes properties from this feature's
|
||||
* class and inherited classes when using a batch table hierarchy.
|
||||
*
|
||||
* @see {@link https://github.com/CesiumGS/3d-tiles/tree/main/extensions/3DTILES_batch_table_hierarchy}
|
||||
*
|
||||
* @param {string[]} [results] An array into which to store the results.
|
||||
* @returns {string[]} The IDs of the feature's properties.
|
||||
*/
|
||||
getPropertyIds(results) {
|
||||
return this._content.batchTable.getPropertyIds(this._batchId, results);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a copy of the value of the feature's property with the given name. This includes properties from this feature's
|
||||
* class and inherited classes when using a batch table hierarchy.
|
||||
*
|
||||
* @see {@link https://github.com/CesiumGS/3d-tiles/tree/main/extensions/3DTILES_batch_table_hierarchy}
|
||||
*
|
||||
* @param {string} name The case-sensitive name of the property.
|
||||
* @returns {*} The value of the property or <code>undefined</code> if the feature does not have this property.
|
||||
*
|
||||
* @example
|
||||
* // Display all the properties for a feature in the console log.
|
||||
* const propertyIds = feature.getPropertyIds();
|
||||
* const length = propertyIds.length;
|
||||
* for (let i = 0; i < length; ++i) {
|
||||
* const propertyId = propertyIds[i];
|
||||
* console.log(`{propertyId} : ${feature.getProperty(propertyId)}`);
|
||||
* }
|
||||
*/
|
||||
getProperty(name) {
|
||||
return this._content.batchTable.getProperty(this._batchId, name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a copy of the value of the feature's property with the given name.
|
||||
* If the feature is contained within a tileset that has metadata (3D Tiles 1.1)
|
||||
* or uses the <code>3DTILES_metadata</code> extension, tileset, group and tile metadata is
|
||||
* inherited.
|
||||
* <p>
|
||||
* To resolve name conflicts, this method resolves names from most specific to
|
||||
* least specific by metadata granularity in the order: feature, tile, group,
|
||||
* tileset. Within each granularity, semantics are resolved first, then other
|
||||
* properties.
|
||||
* </p>
|
||||
* @param {string} name The case-sensitive name of the property.
|
||||
* @returns {*} The value of the property or <code>undefined</code> if the feature does not have this property.
|
||||
* @private
|
||||
* @experimental This feature is using part of the 3D Tiles spec that is not final and is subject to change without Cesium's standard deprecation policy.
|
||||
*/
|
||||
getPropertyInherited(name) {
|
||||
return Cesium3DTileFeature.getPropertyInherited(
|
||||
this._content,
|
||||
this._batchId,
|
||||
name,
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the value of the feature's property with the given name.
|
||||
* <p>
|
||||
* If a property with the given name doesn't exist, it is created.
|
||||
* </p>
|
||||
*
|
||||
* @param {string} name The case-sensitive name of the property.
|
||||
* @param {*} value The value of the property that will be copied.
|
||||
*
|
||||
* @exception {DeveloperError} Inherited batch table hierarchy property is read only.
|
||||
*
|
||||
* @example
|
||||
* const height = feature.getProperty('Height'); // e.g., the height of a building
|
||||
*
|
||||
* @example
|
||||
* const name = 'clicked';
|
||||
* if (feature.getProperty(name)) {
|
||||
* console.log('already clicked');
|
||||
* } else {
|
||||
* feature.setProperty(name, true);
|
||||
* console.log('first click');
|
||||
* }
|
||||
*/
|
||||
setProperty(name, value) {
|
||||
this._content.batchTable.setProperty(this._batchId, name, value);
|
||||
|
||||
// PERFORMANCE_IDEA: Probably overkill, but maybe only mark the tile dirty if the
|
||||
// property is in one of the style's expressions or - if it can be done quickly -
|
||||
// if the new property value changed the result of an expression.
|
||||
this._content.featurePropertiesDirty = true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns whether the feature's class name equals <code>className</code>. Unlike {@link Cesium3DTilePointFeature#isClass}
|
||||
* this function only checks the feature's exact class and not inherited classes.
|
||||
* <p>
|
||||
* This function returns <code>false</code> if no batch table hierarchy is present.
|
||||
* </p>
|
||||
*
|
||||
* @param {string} className The name to check against.
|
||||
* @returns {boolean} Whether the feature's class name equals <code>className</code>
|
||||
*
|
||||
* @private
|
||||
*/
|
||||
isExactClass(className) {
|
||||
return this._content.batchTable.isExactClass(this._batchId, className);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns whether the feature's class or any inherited classes are named <code>className</code>.
|
||||
* <p>
|
||||
* This function returns <code>false</code> if no batch table hierarchy is present.
|
||||
* </p>
|
||||
*
|
||||
* @param {string} className The name to check against.
|
||||
* @returns {boolean} Whether the feature's class or inherited classes are named <code>className</code>
|
||||
*
|
||||
* @private
|
||||
*/
|
||||
isClass(className) {
|
||||
return this._content.batchTable.isClass(this._batchId, className);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the feature's class name.
|
||||
* <p>
|
||||
* This function returns <code>undefined</code> if no batch table hierarchy is present.
|
||||
* </p>
|
||||
*
|
||||
* @returns {string} The feature's class name.
|
||||
*
|
||||
* @private
|
||||
*/
|
||||
getExactClassName() {
|
||||
return this._content.batchTable.getExactClassName(this._batchId);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {Cesium3DTilePointFeature} feature
|
||||
* @ignore
|
||||
*/
|
||||
function setBillboardImage(feature) {
|
||||
const b = feature._billboard;
|
||||
if (defined(feature._billboardImage) && feature._billboardImage !== b.image) {
|
||||
b.image = feature._billboardImage;
|
||||
return;
|
||||
}
|
||||
|
||||
if (defined(feature._billboardImage)) {
|
||||
return;
|
||||
}
|
||||
|
||||
const newColor = feature._color ?? Cesium3DTilePointFeature.defaultColor;
|
||||
const newOutlineColor =
|
||||
feature._pointOutlineColor ??
|
||||
Cesium3DTilePointFeature.defaultPointOutlineColor;
|
||||
const newOutlineWidth =
|
||||
feature._pointOutlineWidth ??
|
||||
Cesium3DTilePointFeature.defaultPointOutlineWidth;
|
||||
const newPointSize =
|
||||
feature._pointSize ?? Cesium3DTilePointFeature.defaultPointSize;
|
||||
|
||||
const currentColor = feature._billboardColor;
|
||||
const currentOutlineColor = feature._billboardOutlineColor;
|
||||
const currentOutlineWidth = feature._billboardOutlineWidth;
|
||||
const currentPointSize = feature._billboardSize;
|
||||
|
||||
if (
|
||||
Color.equals(newColor, currentColor) &&
|
||||
Color.equals(newOutlineColor, currentOutlineColor) &&
|
||||
newOutlineWidth === currentOutlineWidth &&
|
||||
newPointSize === currentPointSize
|
||||
) {
|
||||
return;
|
||||
}
|
||||
|
||||
feature._billboardColor = Color.clone(newColor, feature._billboardColor);
|
||||
feature._billboardOutlineColor = Color.clone(
|
||||
newOutlineColor,
|
||||
feature._billboardOutlineColor,
|
||||
);
|
||||
feature._billboardOutlineWidth = newOutlineWidth;
|
||||
feature._billboardSize = newPointSize;
|
||||
|
||||
const centerAlpha = newColor.alpha;
|
||||
const cssColor = newColor.toCssColorString();
|
||||
const cssOutlineColor = newOutlineColor.toCssColorString();
|
||||
const textureId = JSON.stringify([
|
||||
cssColor,
|
||||
newPointSize,
|
||||
cssOutlineColor,
|
||||
newOutlineWidth,
|
||||
]);
|
||||
|
||||
b.setImage(
|
||||
textureId,
|
||||
createBillboardPointCallback(
|
||||
centerAlpha,
|
||||
cssColor,
|
||||
cssOutlineColor,
|
||||
newOutlineWidth,
|
||||
newPointSize,
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
export default Cesium3DTilePointFeature;
|
||||
Reference in New Issue
Block a user